Brace for a walker



FIG. 1 is a perspective view of a brace for a walker embodying our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof; and,

FIG. 6 is a left side elevational view thereof, the right side being a mirror image of FIG. 6.

The broken lines are showing the walker are for illustrative purposes only to show the position of the brace on the walker and form no part of the claimed design. 

The ornamental design for a brace for a walker, as shown and described. 